/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.jena.sys;

/** Lifecycle interface for jena modules and subsystems. */ 
public interface JenaSubsystemLifecycle {
    
    /** start - a module should be ready to operate when this returns */  
    public void start() ;
    
    /** stop - a module should have preformed any shutdown operations by the time this returns */   
    public void stop() ;
    
    /** Provide a marker as to the level to order initialization, 10,20,30,... 
     * See {@link JenaSystem} for details.
     */
    default public int level() { return 9999 ; }
}

